Annotation of mandoc/compat_err.c, Revision 1.2
1.1 schwarze 1: #include "config.h"
2:
3: #if HAVE_ERR
4:
5: int dummy;
6:
7: #else
8:
1.2 ! schwarze 9: /* $Id: compat_err.c,v 1.1 2015/10/11 21:12:54 schwarze Exp $ */
1.1 schwarze 10: /*
11: * Copyright (c) 1993
12: * The Regents of the University of California. All rights reserved.
13: *
14: * Redistribution and use in source and binary forms, with or without
15: * modification, are permitted provided that the following conditions
16: * are met:
17: * 1. Redistributions of source code must retain the above copyright
18: * notice, this list of conditions and the following disclaimer.
19: * 2. Redistributions in binary form must reproduce the above copyright
20: * notice, this list of conditions and the following disclaimer in the
21: * documentation and/or other materials provided with the distribution.
22: * 3. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
39: #include <err.h>
40: #include <errno.h>
41: #include <stdarg.h>
42: #include <stdio.h>
43: #include <stdlib.h>
44: #include <string.h>
45:
46: static void vwarni(const char *, va_list);
47: static void vwarnxi(const char *, va_list);
48:
49: static void
50: vwarnxi(const char *fmt, va_list ap)
51: {
1.2 ! schwarze 52: fprintf(stderr, "%s: ", getprogname());
1.1 schwarze 53: if (fmt != NULL)
54: vfprintf(stderr, fmt, ap);
55: }
56:
57: static void
58: vwarni(const char *fmt, va_list ap)
59: {
60: int sverrno;
61:
62: sverrno = errno;
63: vwarnxi(fmt, ap);
64: if (fmt != NULL)
65: fputs(": ", stderr);
66: fprintf(stderr, "%s\n", strerror(sverrno));
67: }
68:
69: void
70: err(int eval, const char *fmt, ...)
71: {
72: va_list ap;
73:
74: va_start(ap, fmt);
75: vwarni(fmt, ap);
76: va_end(ap);
77: exit(eval);
78: }
79:
80: void
81: warn(const char *fmt, ...)
82: {
83: va_list ap;
84:
85: va_start(ap, fmt);
86: vwarni(fmt, ap);
87: va_end(ap);
88: }
89:
90: void
91: warnx(const char *fmt, ...)
92: {
93: va_list ap;
94:
95: va_start(ap, fmt);
96: vwarnxi(fmt, ap);
97: va_end(ap);
98: fputc('\n', stderr);
99: }
100:
101: #endif
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